Initial commit to include virtual machine images as part
of the FreeBSD release builds. This adds a make(1) environment variable requirement, WITH_VMIMAGES, which triggers the virtual machine image targets when not defined to an empty value. Relevant user-driven variables include: o VMFORMATS: The virtual machine image formats to create. Valid formats are provided by running 'mkimg --formats' o VMSIZE: The size of the resulting virtual machine image. Typical compression is roughly 140Mb, regardless of the target size (10GB, 15GB, 20GB, 40GB sizes have been tested with the same result). o VMBASE: The prefix of the virtual machine disk images. The VMBASE make(1) environment variable is suffixed with each format in VMFORMATS for each individual disk image, as well as '.img' for the source UFS filesystem passed to mkimg(1). This also includes a new script, mk-vmimage.sh, based on how the VM images for 10.0-RELEASE, 9.3-RELEASE, and 10.1-RELEASE were created (mk-vmimage.sh in ^/user/gjb/thermite/). With the order in which the stages need to occur, as well as sanity-checking error cases, it makes much more sense to execute a shell script called from make(1), using env(1) to set specific parameters for the target image than it does to do this in make(1) directly. Sponsored by: The FreeBSD Foundation
This commit is contained in:
Glen Barber
parent
4b443922e0
commit
a68d274b86
@ -23,6 +23,7 @@
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# WITH_DVD: if set, generate dvd1.iso
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# WITH_COMPRESSED_IMAGES: if set, compress installation images with xz(1)
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# (uncompressed images are not removed)
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# WITH_VMIMAGES: if set, build virtual machine images with the release
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# TARGET/TARGET_ARCH: architecture of built release
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#
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@ -94,6 +95,11 @@ IMAGES+= memstick.img
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IMAGES+= mini-memstick.img
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.endif
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VMTARGETS= vm-base vm-image
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VMFORMATS?= vhd vmdk qcow2 raw
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VMSIZE?= 20G # size in Gb
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VMBASE?= vm # name of the filesystem image
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CLEANFILES= packagesystem *.txz MANIFEST system ${IMAGES}
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.if defined(WITH_COMPRESSED_IMAGES) && !empty(WITH_COMPRESSED_IMAGES)
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. for I in ${IMAGES}
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@ -103,7 +109,16 @@ CLEANFILES+= ${I}.xz
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.if defined(WITH_DVD) && !empty(WITH_DVD)
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CLEANFILES+= pkg-stage
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.endif
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.if defined(WITH_VMIMAGES) && !empty(WITH_VMIMAGES)
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CLEANFILES+= ${VMBASE}.img
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. for FORMAT in ${VMFORMATS}
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CLEANFILES+= vm.${FORMAT}
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. endfor
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.endif
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CLEANDIRS= dist ftp release bootonly dvd
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.if defined(WITH_VMIMAGES) && !empty(WITH_VMIMAGES)
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CLEANDIRS+= ${VMTARGETS}
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.endif
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beforeclean:
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chflags -R noschg .
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.include <bsd.obj.mk>
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@ -277,3 +292,41 @@ install:
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.endfor
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cd ${DESTDIR} && sha256 ${OSRELEASE}* > ${DESTDIR}/CHECKSUM.SHA256
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cd ${DESTDIR} && md5 ${OSRELEASE}* > ${DESTDIR}/CHECKSUM.MD5
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.if defined(WITH_VMIMAGES) && !empty(WITH_VMIMAGES)
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mkdir -p ${DESTDIR}/vmimages
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. for FORMAT in ${VMFORMATS}
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cp -p ${VMBASE}.${FORMAT} \
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${DESTDIR}/vmimages/${OSRELEASE}.${FORMAT}
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. endfor
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. if defined(WITH_COMPRESSED_IMAGES) && !empty(WITH_COMPRESSED_IMAGES)
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# This is very time consuming, so defer it after the images are moved to
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# the DESTDIR.
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. for FORMAT in ${VMFORMATS}
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# Don't keep the originals. There is a copy in ${.OBJDIR} if needed.
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${XZCMD} ${DESTDIR}/vmimages/${OSRELEASE}.${FORMAT}
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. endfor
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. endif
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cd ${DESTDIR}/vmimages && sha256 ${OSRELEASE}* > \
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${DESTDIR}/vmimages/CHECKSUM.SHA256
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cd ${DESTDIR}/vmimages && md5 ${OSRELEASE}* > \
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${DESTDIR}/vmimages/CHECKSUM.MD5
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.endif
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vm-base:
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.if defined(WITH_VMIMAGES) && !empty(WITH_VMIMAGES)
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env IMAKE=${IMAKE} WORLDDIR=${WORLDDIR} \
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VMBASE=${VMBASE}.img VMSIZE=${VMSIZE} DESTDIR=${.TARGET} \
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TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} \
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${.CURDIR}/scripts/mk-vmimage.sh ${.TARGET}
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.endif
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touch ${.TARGET}
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vm-image: vm-base
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.if defined(WITH_VMIMAGES) && !empty(WITH_VMIMAGES)
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. for FORMAT in ${VMFORMATS}
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env FORMAT=${FORMAT} VMIMAGE=${VMBASE}.${FORMAT} VMBASE=${VMBASE}.img \
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TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} \
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${.CURDIR}/scripts/mk-vmimage.sh ${.TARGET}
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. endfor
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.endif
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touch ${.TARGET}
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157
release/scripts/mk-vmimage.sh
Executable file
157
release/scripts/mk-vmimage.sh
Executable file
@ -0,0 +1,157 @@
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#!/bin/sh
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#-
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# Copyright (c) 2014 The FreeBSD Foundation
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# All rights reserved.
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#
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# This software was developed by Glen Barber under sponsorship
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# from the FreeBSD Foundation.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# mk-vmimage.sh: Create virtual machine disk images in various formats.
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#
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# $FreeBSD$
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#
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PATH="/bin:/usr/bin:/sbin:/usr/sbin"
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export PATH
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usage() {
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echo "$(basename ${0}) <command> <target> [...]"
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if [ -z "${MAKEFLAGS}" ]; then
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echo "It is probably not safe to run this by hand yet..."
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fi
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exit 1
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}
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panic() {
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rc="${1}"
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shift 1
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msg="${@}"
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printf "${msg}\n"
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if [ ! -z "${mddev}" ]; then
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mdconfig -d -u ${mddev}
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fi
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# Do not allow one failure case to chain through any remaining image
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# builds.
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exit 0
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}
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vm_create_baseimage() {
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# Creates the UFS root filesystem for the virtual machine disk,
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# written to the formatted disk image with mkimg(1).
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i=0
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mkdir -p ${DESTDIR}
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truncate -s ${VMSIZE} ${VMBASE}
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mddev=$(mdconfig -f ${VMBASE})
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newfs -L root -j ${mddev}
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mount ${mddev} ${DESTDIR}
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cd ${WORLDDIR} && \
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${IMAKE} DESTDIR=${DESTDIR} \
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installworld installkernel distribution || \
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panic 1 "\n\nCannot install the base system to ${DESTDIR}."
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chroot ${DESTDIR} /usr/bin/newaliases
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echo '# Custom /etc/fstab for FreeBSD VM images' \
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# > ${DESTDIR}/etc/fstab
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echo '/dev/gpt/rootfs / ufs rw 2 2' \
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# >> ${DESTDIR}/etc/fstab
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echo '/dev/gpt/swapfs none swap sw 0 0' \
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# >> ${DESTDIR}/etc/fstab
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sync
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while ! umount ${DESTDIR}; do
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i=$(( $i + 1 ))
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if [ $i -ge 10 ]; then
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# This should never happen. But, it has happened.
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msg="Cannot umount(8) ${DESTDIR}\n"
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msg="${msg}Something has gone horribly wrong."
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panic 1 "${msg}"
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fi
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sleep 1
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done
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return 0
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}
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vm_create_vmdisk() {
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mkimg_version=$(mkimg --version 2>/dev/null | awk '{print $2}')
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# We need mkimg(1) '--version' output, at minimum, to be able to
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# tell what virtual machine disk image formats are available.
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# Bail if mkimg(1) reports an empty '--version' value.
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if [ -z "${mkimg_version}" ]; then
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msg="Cannot determine mkimg(1) version.\n"
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msg="${msg}Cannot continue without a known mkimg(1) version."
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panic 0 "${msg}"
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fi
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if ! mkimg --formats 2>/dev/null | grep -q ${FORMAT}; then
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panic 0 "Format ${FORMAT} is not supported with this mkimg(1)\n"
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fi
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case ${FORMAT} in
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vhd)
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mkimg_format=vhdf
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;;
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*)
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mkimg_format=${FORMAT}
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;;
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esac
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set -x
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mkimg -f ${mkimg_format} -s gpt \
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-b /boot/pmbr -p freebsd-boot/bootfs:=/boot/gptboot \
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-p freebsd-swap/swapfs::1G \
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-p freebsd-ufs/rootfs:=${VMBASE} \
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-o ${VMIMAGE}
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return 0
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}
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main() {
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cmd="${1}"
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case ${TARGET}/${TARGET_ARCH} in
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amd64/amd64|i386/i386)
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# FALLTHROUGH
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;;
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*)
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# EX_CANTCREAT
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return 0
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;;
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esac
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case ${cmd} in
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vm-base)
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eval vm_create_baseimage "$@" || return 0
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;;
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vm-image)
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eval vm_create_vmdisk "$@" || return 0
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;;
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*|\?)
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usage
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;;
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esac
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return 0
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}
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main "$@"
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